187876503

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:258

約数の個数: 80

約数和(自身を含む): 321995520

約数和(自身を除く): 134119017

約数列:

[1, 3, 9, 17, 19, 27, 43, 51, 57, 81, 129, 153, 167, 171, 323, 387, 459, 501, 513, 731, 817, 969, 1161, 1377, 1503, 1539, 2193, 2451, 2839, 2907, 3173, 3483, 4509, 6579, 7181, 7353, 8517, 8721, 9519, 13527, 13889, 19737, 21543, 22059, 25551, 26163, 28557, 41667, 53941, 59211, 64629, 66177, 76653, 85671, 122077, 125001, 136439, 161823, 193887, 229959, 257013, 366231, 375003, 409317, 485469, 581661, 1098693, 1125009, 1227951, 1456407, 2319463, 3296079, 3683853, 4369221, 6958389, 9888237, 11051559, 20875167, 62625501, 187876503]

約数ペア:

[(1, 187876503), (3, 62625501), (9, 20875167), (17, 11051559), (19, 9888237), (27, 6958389), (43, 4369221), (51, 3683853), (57, 3296079), (81, 2319463), (129, 1456407), (153, 1227951), (167, 1125009), (171, 1098693), (323, 581661), (387, 485469), (459, 409317), (501, 375003), (513, 366231), (731, 257013), (817, 229959), (969, 193887), (1161, 161823), (1377, 136439), (1503, 125001), (1539, 122077), (2193, 85671), (2451, 76653), (2839, 66177), (2907, 64629), (3173, 59211), (3483, 53941), (4509, 41667), (6579, 28557), (7181, 26163), (7353, 25551), (8517, 22059), (8721, 21543), (9519, 19737), (13527, 13889)]